code: def location_(self):
      column = self.pos_ - self.line_start_ + 1
      return (self.filename_ or "<volt>", self.line_, column)
  
file_path: catboost/contrib/python/fonttools/fontTools/voltLib/lexer.py
imports: from fontTools.voltLib.error import VoltLibError
label_desc: Use image node_id 5 for calling the Lexer obj's underlying member method code with example usage: obj.location_() and returns: unknown,  self,  column